.travis.yml in contracts-lite-0.14.0 vs .travis.yml in contracts-lite-0.15.0

@@ -1,25 +1,22 @@
 dist: trusty
 
 language: ruby
+cache: bundler
 rvm:
-  - "1.9.3"
-  - "2.0.0"
   - "2.1"
   - "2.2"
-  - "ruby-2.3.0"
+  - "2.3"
 
 before_install:
   - gem install bundler
 
 script:
   - bundle exec rspec
-  - bundle exec script/rubocop
+  # - bundle exec bin/rubocop
 
 bundler_args: --without development
 
 matrix:
   include:
-    - rvm: "1.9.2"
-      dist: precise
-    - rvm: jruby-19mode # JRuby in 1.9 mode
+    - rvm: jruby-20mode # JRuby in 1.9 mode
       dist: precise